Don't listen to guest he just going to hack you!
Use cheat engine
or I could do it for you.
or I could do it for you.
1. Don't listen to the guest's 2. You can't you can only change your e-mail and your password for ROBLOX.
You cannot change you name on roblox but f you have a program to change stuff like I have you can Change your name but I made the program and I have not published it
Make a new account